23313031120 has 20 divisors (see below), whose sum is σ = 54202797540. Its totient is φ = 9325212416.

The previous prime is 23313031117. The next prime is 23313031177. The reversal of 23313031120 is 2113031332.

It can be written as a sum of positive squares in 2 ways, for example, as 8508955536 + 14804075584 = 92244^2 + 121672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145706365 + ... + 145706524.

It is an arithmetic number, because the mean of its divisors is an integer number (2710139877).

Almost surely, 2^23313031120 is an apocalyptic number.

23313031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313031120 is an abundant number, since it is smaller than the sum of its proper divisors (30889766420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23313031120 is a wasteful number, since it uses less digits than its factorization.

23313031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291412902 (or 291412896 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23313031120 its reverse (2113031332), we get a palindrome (25426062452).

The spelling of 23313031120 in words is "twenty-three billion, three hundred thirteen million, thirty-one thousand, one hundred twenty".